Arkolith/Insider Trading/AMG/Form 4

Alvingham Karen L.

DirectorAFFILIATED MANAGERS GROUP, INC. (AMG) · full profile →Form 4 · filed Aug 18, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
4
2 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 15, 2025Tax withholding(F)84$218.70$18K12K
Aug 15, 2025Option exercise(M)1K—$012K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 15, 2025Option exercise(M)1K—$04K
Aug 14, 2025Grant(A)262—$0262

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001127602-25-020600) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML